18 Karat Gold, Sapphire and Diamond Ring. Photo Sotheby's

Centered by an oval sapphire weighing approximately 37.00 carats, framed by gold waves set at intervals with round and single-cut diamonds weighing approximately 2.00 carats, size 6½. Estimation: 70,000 - 90,000 USD 

NOTE DE CATALOGUE: Accompanied by AGL report no. CS 43974 stating that the sapphire is of Sri Lankan origin, no indications of heating

Sotheby's. Important Jewels, New York | 20 sept. 2012. www.sothebys.com